package com.xxxx.dao.impl;

import com.xxxx.dao.BookDao;

/**
 * Created By ShaoXikai on 2022/7/19
 */
public class BookDaoImpl implements BookDao {

    private String username;

    public void setUsername(String username) {
        this.username = username;
    }

    @Override
    public void sout() {
        System.out.println("book Dao impl!!" + username);
    }
}
